OpenTechnical

OT-2026-000060406

Publication integrity record

Foam pad vacuum gripper, pump fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060406) never changes.

Identity and time

Publication numberOT-2026-000060406 · never reused
Internal UUID01a0ae8a-b7cb-73a7-9400-95bd145998d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060406
StatusPUBLIC

Content hashes

Canonical text0ad234d61aa7dd5563363d90bccd7fa6f56cca71fea80d3373ffde7f29bce4dd
Markdown9f00bb45194013abfc4f4796d68718fdd5b815020308bb1cf20a6a76d87b89dd
PDF
Publication pagee5e2e32cab6d22cae2823f7bac604313852fe6b9fb641ddbaefbd10c7631a250
Manifest8ccab79cf1fbd1c25f990183fff30df379a4d22461e566237aca5e584cbbdd6c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureOG5KhiS/XQNpy/a5ZmxgyrOze1B2qqH1t2r6hp5HIBOCgAzNJawIThpbR5v2r4BZPR9YXsjUN3etynLsmjpfDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:49.961208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060406
observed e5e2e32cab6d22cae2823f7bac604313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.941966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060406/manifest.json
observed 8ccab79cf1fbd1c25f990183fff30df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.891658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060406/publication.md
observed 9f00bb45194013abfc4f4796d68718fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.838383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060406/publication.txt
observed 0ad234d61aa7dd5563363d90bccd7fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.